CN208803790U - A kind of escape lock - Google Patents

Abstract

The utility model discloses a kind of escape locks, including lock body, lock body is arranged lock tongue, the unlocking driving lever for driving lock tongue activity to unlock, drives the movable lock core of unlocking driving lever and push plate, unlocking driving lever and lock core are rotatablely connected with lock body, push plate can be mobile relative to lock body, and unlocking driving lever includes the second driving lever of the first driving lever of lock core unlocking, push plate unlocking.A kind of escape lock of the utility model can make lock core unlock and be independent of each other with push plate unlocking.

Description

A kind of escape lock

Technical field

The utility model relates to lock structure more particularly to a kind of escape locks.

Background technique

In the prior art, escape lock is one kind of escape device, is typically mounted on the safety door of exit passageway, have from The quick feature of unlocking on the inside of safety door.

As described in Figure 1, a kind of existing escape lock, structure mainly include lock tongue, drive opening of unlocking of lock tongue activity Driving lever, the lock body for installing lock tongue and unlocking driving lever are locked, lock body is connected and fixed with safety door.

Since the shape approximation of unlocking driving lever is chevron shaped, unlocking driving lever is commonly known as chevron shaped driving lever.Since lock body is logical It is often ghost shape, the inside of lock body is for arranging that the parts such as lock tongue and unlocking driving lever, lock body are often referred to as lock housing.

Lock body is provided with lock core towards safety door side, unlocking can be driven to dial with key rotation lock core on the outside of safety door Bar rotation, and then realize and unlock.

Lock body is provided with push plate backwards to the side of safety door, and moving push plate with hand push on the inside of safety door can be such that unlocking dials Bar activity, and then realize and unlock.

Push plate is mobile towards safety door in the horizontal direction when moving push plate with hand push, meets the motor habit of escape state servant, Therefore, it is possible to which quickly unlocking, rapidly escapes.

However, lock core is unlocked and push plate unlocking can influence each other, being easy to appear side's failure another party can not normally unlock The case where, influence the reliability of escape lock.

Utility model content

The utility model aims to solve the problem that above-mentioned mentioned technical problem, provides a kind of escape lock, lock core can be made to unlock It is independent of each other with push plate unlocking.

The utility model is realized through the following technical scheme:

A kind of escape lock, including lock body, lock body are arranged lock tongue, the unlocking driving lever for driving lock tongue activity to unlock, drive and unlock The movable lock core of driving lever and push plate, unlocking driving lever and lock core are rotatablely connected with lock body, and push plate can be mobile relative to lock body, are unlocked Driving lever includes the second driving lever of the first driving lever of lock core unlocking, push plate unlocking.

Preferably, the first driving lever connect or abuts with lock tongue, and the first driving lever can rotate under the drive of the second driving lever.

Further, the second driving lever is provided with the driving protrusion for driving the rotation of the first driving lever, and the first driving lever is provided with accommodating Drive the driven recess portion of protrusion.

Further, lock body is provided with limit pin shaft, and the first driving lever and lock body, the second driving lever and lock body pass through spacer pin Axis rotation connection.

First driving lever is provided with two the first cantilevers for connecting limit pin shaft, is formed and is used between two the first cantilevers The cavity of second driving lever connection limit pin shaft.

Preferably, the clicking section for being arranged radially drive the first driving lever rotation of lock core, the first driving lever are provided with for supporting Two first protrusions of clicking section are connect, two the first protrusions are set to the two sides at lock core center Yu clicking section line.

Preferably, the second driving lever is provided with the reset spring for resetting push plate.

Preferably, lock tongue and lock body are rotatablely connected, and lock body is provided with the locking spring for driving lock tongue locking.

Preferably, lock body includes the shell of bottom plate for connecting door, connecting bottom board, forms accommodating lock tongue in shell and opens Lock the cavity of driving lever.

Beneficial effect is: compared with prior art, a kind of escape lock of the utility model passes through the first driving lever of setting and the Two driving levers, so that lock core unlocking can push plate unlocking can be by stirring the second driving lever reality and stirring the first driving lever and realizing Existing, in turn, side's failure in lock core or push plate has no effect on another party and normally unlocks, and is also achieved that lock core unlocking and push plate That unlocks is independent of each other, and improves the reliability of escape lock.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used briefly describes.

Obviously, described attached drawing is a part of the embodiment of the utility model, rather than whole embodiments, this field Technical staff without creative efforts, can also be obtained according to these attached drawings other design schemes and attached Figure.

Fig. 1 is a kind of structural schematic diagram of escape lock；

Fig. 2 is the structural schematic diagram of unlocking control device in Fig. 1；

Fig. 3 is the structural schematic diagram of unlocking driving lever in Fig. 1.

Drawing features label:

1- lock body, 2- lock tongue, 3- unlocking driving lever, 4- lock core, 5- push plate, 6- limit assembly, 7- Power Component, the first bar of 8- Part, the second rod piece of 9-, 10- fixing piece, 11- return spring, the first track of 12-；

21- locking spring；

The first driving lever of 31-, the second driving lever of 32-, 33- limit pin shaft, 34- reset spring；

The passive recess portion of 311-, 321- drive protrusion；

The clicking section 41- 41

71- first movement bar, the pin of 72- second, 73- electromagnetic unit, 74- driving spring；

81- spacer pin, 91- limit recess portion, the first groove of 92-；

The first straight rail of 121-, the first ramp of 122-.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.

Obviously, described embodiment is a part of the embodiment of the utility model, rather than whole embodiments, is based on The embodiments of the present invention, those skilled in the art's other implementations obtained without creative efforts Example, belongs to the protection scope of the utility model.

In addition, all connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality Situation is applied, by adding or reducing connection auxiliary, Lai Zucheng more preferably connection structure.Each technology in the utility model is special Sign, can be with combination of interactions under the premise of not conflicting conflict.

As shown in Figure 1, a kind of escape lock, including lock body 1, the unlocking that lock body 1 is arranged lock tongue 2,2 activity of lock tongue is driven to unlock Driving lever 3 drives the movable lock core 4 of unlocking driving lever 3 and push plate 5, and unlocking driving lever 3 and lock core 4 are rotatablely connected with lock body 1, push plate 5 It can be mobile relative to lock body 1.

To avoid lock tongue 2, unlocking driving lever 3 and lock core 4 from being completely exposed outside, lock body 1 includes for connecting the bottom plate of door, connecting The shell of bottom plate is connect, forms the cavity of accommodating lock tongue 2 and unlocking driving lever 3 in shell.

In general, lock tongue 2 and unlocking driving lever 3 are mounted on shell, lock core 4 is mounted on bottom plate.

In use, being inserted into key on the outside of safety door, and then lock core 4 is rotated, lock core 4 stirs unlocking driving lever 3, unlocking driving lever 3 stir lock tongue 2, and lock tongue 2 is retracted in lock body 1, realize and unlock.

Similarly, push plate 5 is pushed on the inside of safety door, push plate 5 equally drives 3 activity of unlocking driving lever, realizes and unlock.

When lock core 4 and push plate 5 reset, usual lock core 4 and push plate 5 would generally be detached from unlocking driving lever 3, and not having makes out Lock the function that driving lever 3 returns, it is also necessary to set parts, so that 3 return of unlocking driving lever, meanwhile, make 2 return of lock tongue, so that escape Lock is locked.

To make 2 return of unlocking driving lever 3 and lock tongue, lock tongue 2 and lock body 1 can be made to be rotatablely connected, lock body 1 is provided with drive lock The locking spring 21 of 2 locking of tongue.

That is, locking spring 21 drives lock tongue 2 to rotate, in turn, lock tongue 2 drives unlocking driving lever 3 to rotate.

In order to can be realized unlocking towards any direction rotation, the drive that has been arranged radially of lock core 4 can be made to open Lock the clicking section 41 that driving lever 3 rotates, unlocking driving lever 3 is provided with two first for abutting clicking section 41 protrusions, and two first Protrusion is set to the two sides at 4 center of lock core Yu 41 line of clicking section.

Meanwhile two first protrusions are set and two first protrusions is made to be located at the two of 4 center of lock core and 41 line of clicking section Side avoids lock core 4 from causing unlocking driving lever 3 stiff when inverting, and influences the unlocking of push plate 5.

In addition, two the first protrusions of setting can also reduce the angle that lock core 4 rotates when lock core 4 is unlocked.

When lock core 4 forward or reverse when, clicking section 41 can be abutted with one in two the first protrusions, so realize Unlocking driving lever 3 is driven to rotate.

It unlocks since lock core 4 and push plate 5 can drive the activity of unlocking driving lever 3 and then realize, when 4 event of push plate 5 or lock core When barrier, the failure of a side may cause another party and also can not normally unlock.Moreover, working as 3 failure Shi Zecong safety door of unlocking driving lever Interior outside cannot unlock.

As shown in Figure 1 and Figure 2, lock core 4 is unlocked and the unlocking of push plate 5 influences each other to avoid, and can make the unlocking driving lever 3 include First driving lever 31 of 4 unlocking of lock core, 5 unlocking of push plate the second driving lever 32.

A kind of escape lock of the present embodiment is by setting the first driving lever 31 and the second driving lever 32, so that unlock can be with for lock core 4 Push plate 5 is unlocked and can be realized by stirring the second driving lever 32 and stirring the first driving lever 31 and realizing, in turn, lock core 4 or push plate 5 In side's failure have no effect on another party and normally unlock, be also achieved that lock core 4 is unlocked and what push plate 5 was unlocked is independent of each other, Improve the reliability of escape lock.

Since 4 unlocking access times of lock core are few and failure rate is lower, meanwhile, for reduce escape lock occupied space so that The compact-sized of escape lock is obtained, the first driving lever 31 can be made to connect or abut with lock tongue 2, the first driving lever 31 can be in the second driving lever It is rotated under 32 drive.

The movable reliability of the first driving lever 31 is driven to improve the second driving lever 32, the second driving lever 32 can be made to be provided with drive The driving protrusion 321 of first driving lever 31 rotation, the first driving lever 31 are provided with the driven recess portion of accommodating driving protrusion 321.

It is rotated under the drive of the first driving lever 31 in this way, the second driving lever 32 not only may be implemented, but also avoids 32 phase of the second driving lever It is mobile to the first driving lever 31, it loses and drives the movable ability of the first driving lever 31.

Clearly as the first driving lever 31 is unlocked for lock core 4, two the first protrusions are also disposed on the first driving lever 31.

To keep escape lock compact-sized, lock body 1 can be made to be provided with 81 axis 33 of spacer pin, the first driving lever 31 and lock body 1, the Two driving levers 32 are rotatablely connected by 81 axis 33 of spacer pin with lock body 1.

That is, may be implemented the first driving lever 31 and the occupied space of the second driving lever 32 and be equal to original unlocking driving lever 3 Space size, the volume of escape lock will not be made to increase, the lock construction that is conducive to make to escape is more compact.

Eccentric wear occurs for 81 axis 33 of spacer pin when to avoid the second driving lever 32 that the first driving lever 31 is driven to unlock, and the first driving lever 31 is set Two the first cantilevers for connecting 81 axis 33 of spacer pin are equipped with, is formed between two the first cantilevers and is connected for the second driving lever 32 The cavity of 81 axis 33 of spacer pin.

In order to enable 5 Rapid reset of push plate, the second driving lever 32 is provided with the reset spring 34 for resetting push plate 5, certainly, Reset spring 34 is but also push plate 5 stands away with the second driving lever 32, so that push plate 5 has one section of backlash, under being convenient for The unlocking control device detection of text, meanwhile, reset spring 34 can also provide buffering, and push plate 5 is avoided to impact the second driving lever energetically 32, cause the second driving lever 32 to fracture damage.

Since escape lock has the characteristics that quickly to open on the inside of the safety door, by not the characteristics of to avoid this quick unlatching Method molecule utilizes, and escape lock can be made to be equipped with unlocking control device.

As shown in Figure 1, Figure 3, a kind of unlocking control device, including the detector for detecting lockset unlocking action, connection The delay controller of detector, the position-limit mechanism for connecting delay controller, position-limit mechanism include being electrically connected moving for delay controller Power component 7, the limit assembly 6 for connecting Power Component 7, limit assembly 6 are connect with the unlocking control terminal of lockset, and limit assembly 6 wraps The first rod piece 8 of connection unlocking control terminal and the second rod piece 9 of connection Power Component 7 are included, the first rod piece 8 is provided with spacer pin 81, the second rod piece 9 is provided with the limit recess portion 91 of accommodating spacer pin 81.

When unlocking control device is applied to escape lock, detection lockset unlocking action is to detect the movement of push plate 5, lockset Unlocking control terminal also for the unlocking driving lever 3 for escape lock.

Unlocking control device by the delay controller of detector, connecting detection device for detecting lockset unlocking action, The position-limit mechanism of delay controller is connected, position-limit mechanism includes the Power Component 7 for being electrically connected delay controller, connection Power Component 7 limit assembly 6, limit assembly 6 are connect with the unlocking control terminal of lockset, thus, when lockset unlocking action is to push push plate 5 When, signal can be obtained by the movement of detection push plate 5, then delay controller controls limit according to the delay time of setting Mechanism action, so that position-limit mechanism just releases the limit of dual lock control terminal after postponing a period of time again after unlocking action generation System allows unlocking driving lever 3 to drive lock tongue 2 movable, realizes Delayed unlocking that is, releasing the limitation of dual lock driving lever 3；Separately Outside, limit assembly 6 includes the first rod piece 8 of connection unlocking control terminal and the second rod piece 9 of connection Power Component 7, the first rod piece 8 It is provided with spacer pin 81, the second rod piece 9 is provided with the limit recess portion 91 of accommodating spacer pin 81, that is to say, that can pass through limit The limit of the first rod piece 8 is fixed in recess portion 91 and the cooperation realization of spacer pin 81, and then dual lock control terminal fixes, It is the form of rotation or movement suitable for unlocking control terminal, it is simple for structure, there is extensive versatility.

Meanwhile when unlocking on the inside of safety door, when needing to press 5 one sections of push plate using the escape lock of unlocking control device Between or could open after waiting for a period of time, and then realize Delayed unlocking, avoid the rapid opening safety door of criminal and implement Malfeasance.

In order to ensure escape lock can unlock without waiting in emergency situations, preferably make delay controller and alarm electricity Connection, when alarm equipment alarm, unlocking control device contacts unlocking limitation at once, to cope with the feelings that the needs such as fire are escaped rapidly Condition.

The inner space for limiting recess portion 91 can be much larger than the radial dimension of spacer pin 81, and then can be by with power packages Part 7 adjusts the position for limiting recess portion 91, realizes the limit to the first rod piece 8 or releases limit, reaches and prevent or allow unlocking Purpose.At this point, limit recess portion 91 is preferably waist hole, spacer pin 81 can also be avoided to be detached from from limit recess portion 91.

It is of course also possible to which Power Component 7 is made to run out of steam or power supply, the limit to the first rod piece 8 is then released, is reached To the effect of Delayed unlocking.

In order to enable unlocking control device has wider versatility, it is recessed preferably by the disengaging limit of spacer pin 81 Portion 91 limits to realize the limit to the first rod piece 8 and release.

It is rotatablely connected specifically, can be the first rod piece 8 with unlocking control terminal, the first rod piece 8, which is connected with, makes spacer pin 81 Reenter the return spring 11 of limit recess portion 91.

Since the first rod piece 8 is rotatablely connected with unlocking control terminal, the other end of the first rod piece 8 can be freely after losing limitation It swings, return spring 11 can be such that the first rod piece 8 rotates after the reset of unlocking driving lever 3, and then spacer pin 81 smoothly enters limit Position recess portion 91, again limits the first rod piece 8, and limitation is unlocked.

In order to deviate from spacer pin 81 smoothly from limit recess portion 91, can make limit assembly 6 further includes connection lock The fixing piece 10 of tool, the second rod piece 9 are rotatablely connected with fixing piece 10.Obviously, fixing piece 10 also may be mounted on safety door, no Influence the function of unlocking control device.

Cause spacer pin 81 to slip out of limit recess portion 91 in order to avoid unlocking active force is excessive, the second rod piece can be made 9 quantity is two, and two limit recess portions 91 are oppositely arranged the limit cavity to form accommodating spacer pin 81.

In order to realize that Power Component 7 drives the rotation of the second rod piece 9, specifically, Power Component 7 can be made to include linear expansion Force piece, force piece is provided with first movement bar 71, and first movement bar 71 is provided with the second pin 72, and the second rod piece 9 is provided with The first groove 92 of the second pin 72 is accommodated, the extending direction of the first groove 92 is set with the moving direction biasing of first movement bar 71 It sets, and then linear movement can be converted to the swing or rotation of the second rod piece 9.

For force piece, force piece further includes the electromagnetic unit 73 for driving first movement bar 71 mobile and drive first movement The driving spring 74 that bar 71 moves backward.

Force piece has the electromagnetic unit 73 of low-power to drive, and driving force is small, and low energy consumption, and manufacturing cost is also low.

However, push plate 5 pushes the active force of unlocking driving lever 3 that can drive to force piece, force piece is understood involuntary maneuver and is damaged.

To solve the problems, such as that force piece is easily damaged in unlocking control device, fixing piece 10 is provided with the first rod piece 8 of support First track 12 of end, the first track 12 is set to the first rod piece 8 and keeps away from the one end at lock control end, that is, can be, Gu Determine part 10 and be set to the first rod piece 8 close to one end of spacer pin 81, meaning is close.

Unlocking control device by the way that the first track 12 is arranged on fixing piece 10 so that unlock when dual lock control terminal work It firmly is transferred to fixing piece 10 and force piece via the first rod piece 8, active force is avoided all to be transferred to force piece, thus can be subtracted The stress of few force piece, avoids force piece from damaging；Simultaneously as force piece stress is reduced, low-power electricity is can be used in force piece Power drive, low energy consumption, and manufacturing cost is low.

In order to enable reducing the movable resistance of the first rod piece 8 after releasing to the limit of the first rod piece 8, in turn, reduction is opened Resistance is locked, can make the first track 12 includes the first straight rail 121 and the first ramp 122.

When force piece limits the first rod piece 8, the first rod piece 8 is abutted with the first straight rail 121, when force piece is released to the The limit of one rod piece 8 and when being unlocked, the first rod piece 8 is abutted with the first ramp 122.

Preferential, it is the first straight rail 121 and Men Pinghang, there are angles with door for the first ramp 122.First straight rail 121 and One ramp 122 is that plane is constituted, to reduce resistance, it is of course also possible to make cambered surface, auxiliary stopper or reduce release limit after the The contact area of one rod piece 8 and the first track 12, and then reduce resistance.

To simplify structure, the first track 12 can be made to be provided with the second groove of accommodating the second rod piece 9 rotation.

Above embodiments are not limited to the technical solution of the embodiment itself, can be incorporated between embodiment new Embodiment.Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model It is interior.

Claims (9)

1. a kind of escape lock, including lock body (1), the unlocking driving lever that lock body (1) is arranged lock tongue (2), lock tongue (2) activity is driven to unlock (3), unlocking driving lever (3) movable lock core (4) and push plate (5) are driven, unlocking driving lever (3) and lock core (4) are rotated with lock body (1) Connection, push plate (5) can be mobile relative to lock body (1), which is characterized in that unlocking driving lever (3) includes the first of lock core (4) unlocking Driving lever (31), push plate (5) unlocking the second driving lever (32).

2. a kind of escape lock according to claim 1, which is characterized in that first driving lever (31) connect with lock tongue (2) Or abut, the first driving lever (31) can rotate under the drive of the second driving lever (32).

3. a kind of escape lock according to claim 2, which is characterized in that second driving lever (32) is provided with drive first The driving protrusion (321) of driving lever (31) rotation, the first driving lever (31) are provided with the driven recess portion of accommodating driving protrusion (321).

4. a kind of escape lock according to claim 1, which is characterized in that the lock body (1) is provided with spacer pin (81) axis (33), the first driving lever (31) and lock body (1), the second driving lever (32) and lock body (1) are connected by spacer pin (81) axis (33) rotation It connects.

5. a kind of escape lock according to claim 4, which is characterized in that first driving lever (31) is provided with for connecting Two the first cantilevers of spacer pin (81) axis (33) form between two the first cantilevers and connect spacer pin for the second driving lever (32) (81) cavity of axis (33).

6. a kind of escape lock according to claim 1, which is characterized in that the lock core (4) has been arranged radially drive The clicking section (41) of one driving lever (31) rotation, be provided with for abutting clicking section (41) two of the first driving lever (31) are first convex It rises, two the first protrusions are set to the two sides at lock core (4) center Yu clicking section (41) line.

7. a kind of escape lock according to claim 1, which is characterized in that second driving lever (32), which is provided with, makes push plate (5) reset spring (34) resetted.

8. a kind of escape lock according to claim 1, which is characterized in that the lock tongue (2) and lock body (1) are rotatablely connected, Lock body (1) is provided with the locking spring (21) for driving lock tongue (2) locking.

9. a kind of escape lock according to claim 1, which is characterized in that the lock body (1) includes the bottom for connecting door The shell of plate, connecting bottom board, the interior cavity for forming accommodating lock tongue (2) and unlocking driving lever (3) of shell.